The idea of an open relationship may seem a little too Sister Wives for anyone in the "real world," but there are plenty of polyamorous peeps who dive right in, despite fear of never receiving long-term commitment, and the risk of dating someone who is sleeping with you—and five others. Liz, 29, is in an open relationship, and agreed to dish on it.

How long have you been in an open relationship?

We started seeing each over three years ago but we've known each other for probably six years. We met when I moved to New York, actually, almost immediately at a bar down the street from my apartment.

How is your open relationship any different than just sleeping together?

It's a relationship—except we can sleep with other people. We go to bed together at night, we watch television together, we go to the movies together, we know each others friends and families.

Why do you guys choose to have an open relationship?

My boyfriend is a bartender. It's not practical for me to think that he's going to be monogamous. I know that it's not impossible, but for him, he just can't, and I can't force him to, and I don't want to force him to, and it makes everyone happier. Both of us.

In the beginning maybe, but because we're in an open relationship, it seems pointless. It seems like games other couples play.

Do you tell each other when one of you sleeps with someone else?

We have a don't ask, don't tell policy. We don't call it cheating. We've found out before, and sometimes it's gotten uglier than other times, but normally only when it's been a repeat situation. But it always works itself out. Always.